package com.atwj.dao.impl;

import com.atwj.dao.BookDao;
import com.atwj.entity.Book;

import java.util.List;

/**
 * @author 吴先森
 * @description:
 * @create 2022-03-23 14:39
 */
public class BookDaoImpl extends baseDao implements BookDao {

    @Override
    public int addBook(Book book) {
        String sql = "INSERT INTO t_book(`name`,`author`,`price`,`sales`,`stock`,`img_path`) values(?,?,?,?,?,?)";
        return update(sql, book.getName(), book.getAuthor(), book.getPrice(), book.getSales(), book.getStock(), book.getImg_path());
    }

    @Override
    public int deleteBookByid(Integer id) {
        String sql = "delete from t_book where id = ?";
        return update(sql, id);
    }

    @Override
    public int updateBook(Book book) {
        String sql = "update t_book set `name`=?,`author`=?,`price`=?,`sales`=?,`stock`=?,`img_path`=? where id = ?";
        return update(sql, book.getName(), book.getAuthor(), book.getPrice(), book.getSales(), book.getStock(), book.getImg_path(), book.getId());
    }

    @Override
    public Book queryBookByid(Integer id) {
        String sql = "select `id` , `name` , `author` , `price` , `sales` , `stock` , `img_path` imgPath from t_book where id = ?";
        return queryForOne(Book.class, sql, id);
    }

    @Override
    public List<Book> queryBooks() {
        String sql = "select `id` , `name` , `author` , `price` , `sales` , `stock` , `img_path` imgPath from t_book";
        return queryForList(Book.class, sql);
    }

    @Override
    public Integer queryForPageTotalCount() {
        String sql = "select count(*)  from t_book";
        Number count = (Number) queryForSingleValue(sql);
        return count.intValue();
    }

    @Override
    public List<Book> queryForPageItems(int begin, int pageSize) {
        String sql = "select `id` , `name` , `author` , `price` , `sales` , `stock` , `img_path` imgPath from t_book limit ?,?";
        return queryForList(Book.class, sql, begin, pageSize);
    }

    @Override
    public Integer queryForPageTotalCountByPrice(int min, int max) {
        String sql = "select count(*)  from t_book where price between ? and ?";
        Number count = (Number) queryForSingleValue(sql, min, max);
        return count.intValue();
    }

    @Override
    public List<Book> queryForPageItemsByPrice(int begin, int pageSize, int min, int max) {
        String sql = "select `id` , `name` , `author` , `price` , `sales` , `stock` , `img_path` imgPath from t_book where price between ? and ? order by price limit ? , ?";
        return queryForList(Book.class, sql, min, max, begin, pageSize);
    }
}
